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Electrochemistry Meters

Benchtop or portable instruments and electrodes used to measure various parameters of water and solutions; these include pH, temperature, resistivity, conductivity, ion-specific testing (chlorine and ISE), dissolved oxygen/BOD, ORP, and other water activity measures.
Multiparameter Meters (322)
Conductivity Meters (184)
Dissolved Oxygen Meters (66)
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Biological Oxygen Demand Meters (39)
ISE Concentration Meters (30)
Karl Fisher Titrators (30)
Inline Electrochemistry Analyzers (27)
Oxidation Reduction Potential Meters (26)
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556 – 570 of 604 results
559

METTLER TOLEDO™ SevenCompact™ S213 pH/Conductivity Benchtop Meter

The S213 meter measures pH, conductivity, and ion concentration. A simple and durable interface with only 2 buttons makes this meter very easy to operate, and results can be captured by a printer with a time and date stamp. Available as meter only or ready-to-use kits for specific applications.

Range (Resistivity) 0.00 to 100.0 Mohm/cm
Memory 1.000 measurements
Languages Chinese (Simplified),Chinese (Traditional),Croatian,Czech,Danish,Dutch,English (GB),English,French,German,Hungarian,Indonesian,Italian,Japanese,Korean,Norwegian,Polish,Brazilian Portuguese,Russian,Slovakian,Slovenian,Spanish,Swedish,Thai,Turkish,Vietnamese
Measurement Modes Routine mode/expert mode
Range (pH) -2 to 20
Channels 2
Accuracy (pH) ±0.002
Power Supply 9 to 12V DC, 2.5w
Range (Salinity) 0.00 to 80.00 psu/ppt
Temperature Compensation Linear, non-linear, off, pure-water
Data Management Details USB-stick, EasyDirect pH PC software
Display Type Color TFT
Accuracy (Salinity) ±0.5%
Resolution (Salinity) 0.00 to 1.0
Accuracy (Conductivity) ±0.5%
Resolution (mV) 0.1, 1
Weight (Metric) 890 g
Calibration Points (Conductivity) 1
Accuracy (mV) ±0.1mV in -1000 to 1000 mV; ±0.2mV outside
Temperature Accuracy ±0.1°C
Resolution (Resistivity) 0.00 to 1.0
Resolution (Conductivity) 0.001 to 1
Isopotential Point pH 7.00
Range (Conductivity) 0.001 μS/cm to 1000 mS/cm
Accuracy (Resistivity) ±0.5%
Range (TDS) 0.00 mg/L to 1000 g/L
Resolution (TDS) 0.01 to 1
Relative Humidity Range 5 to 80% (non-condensing)
Calibration Points Conductivity 1; pH Max. 5
Dimensions (L x W x H) 20.4 x 17.4 x 7.4cm
Accuracy (TDS) ±0.5%
Temperature Selection Automatic or manual
IP Rating IP54
Keypad Membrane keypad: Polyethylene terephthalate (PET)
Model SevenCompact Duo S213
Range (Relative mV) -2000.0 to 2000.0
Calibration Points (pH) Up to 5
Temperature Range (Metric) -5°C to +130°C (ATC), -30°C to +130°C (MTC)
Range (mV) -2000.0 to 2000.0
Temperature Resolution 0.1°C
563

Thermo Scientific™ Orion Star™ A214 pH/ISE Benchtop Meter

Reliably measure pH, ion concentration, mV, ORP and temperature with our pH/ISE benchtop meter for advanced lab analysis and interfacing.

Memory Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Languages English,Spanish,French,Italian,German,Chinese,Portuguese and Korean available with software update
Measurement Modes pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Resolution (ISE) 0.0001 minimum, 1 to 3 significant digits (user selectable)
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Data Management Details Transfer single, range or all data points to printer or computer
Battery Life 800 hr.
Display Type Backlit Graphic LCD
Resolution (mV) 0.1mV
Data Points 2000 with Date and Time Stamp
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE) ±0.2 mV or ±0.05% of reading whichever is greater
Warranty 3 Year Meter
Temperature Accuracy ±0.1°C
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Calibration Points (ISE) 1 to 5
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type 4 AA (sold separately)
Relative Humidity Range 5 to 85 %, non-condensing
Dimensions (L x W x H) 24cm x 18cm x 11cm (9.5 in. x 7.1 in. x 4.3 in.)
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB, RS232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Calibration Points (pH) 1 to 5
Backlight Option Yes (Selectable)
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV
Methods 10 per channel with password protection
Range (pH) -2 to 20
Channels 1
Accuracy (pH) ±0.002
Range (ISE) 0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
Inputs BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Weight (Metric) 0.9 kg
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.000pH
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Calibration pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP54
Model Orion Star A214 pH/ISE/mV/RmV/ORP/Temperature Benchtop Meter
Weight (English) 2 lb.
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Temperature Resolution 0.1°C, 0.1°F
566

Thermo Scientific™ Orion™ 3-Star Plus Dissolved Oxygen Portable Meter

Waterproof, battery-operated meter stands up to the most demanding field applications

567

Thermo Scientific™ Orion Star™ A213 Dissolved Oxygen Benchtop Meter

Reliably measure dissolved oxygen (RDO optical/polarographic) and temperature with this benchtop meter for advanced lab analysis.

Temperature (Metric) Range 0.0°C to 50.0°C
Resolution (Polarographic DO) 0.01, 0.1mg/L
Pressure Range 400 to 850 mmHg
Memory Non-volatile memory preserves data log, calibration log and meter settings
Languages English,Spanish,French,Italian,German,Chinese,Portuguese and Korean available with software update
Measurement Modes Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Barometric Pressure Correction 400 to 850mmHg, automatic using built-in barometer or manual entry
Battery Life 800 hours
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Graphic LCD with Backlight
Data Points 2000 with Date and Time Stamp
Calibration Modes Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Salinity Factor 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Warranty 3 Year Meter Warranty
Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Percent Saturation Range Polarographic DO 0.0 to 600.0 % saturation
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type Four AA (sold separately)
Relative Humidity Range 5 to 85 %, non-condensing
Range (RDO) 0.00 to 50.00 mg/L
Dimensions (L x W x H) 24 cm x 18 cm x 11 cm (9.5 in. x 7.1 in. x 4.3 in.)
Percent Saturation Range (RDO) 0.0 to 500.0 % saturation
Temperature Selection Automatic with ATC temperature probe
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB, RS232
Backlight Option Yes (Selectable)
Percent Saturation Relative Accuracy (RDO) ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO) 0.00 to 90.00 mg/L
Accuracy (Barometer) ±6mmHg
Methods 10 per channel with password protection
Pressure Resolution 1 mmHg
Channels 1
Resolution (RDO) 0.01, 0.1mg/L
Percent Saturation Resolution (RDO) 0.1, 1 % saturation
Percent Saturation Relative Accuracy (Polarographic DO) ±2 % saturation or ±2% of reading whichever is greater
Inputs 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 kg
Temperature (English) Operating 41°F to 113°F (ambient)
Accuracy (Polarographic DO) ±0.2mg/L or ±2% of reading, whichever is greater
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP54
Percent Saturation Resolution (Polarographic DO) 0.1, 1 % saturation
Model Orion Star A213 RDO Optical/Dissolved Oxygen/Temperature Benchtop Meter
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C (0.1°F)
Temperature (Metric) Operating 5°C to 45°C (ambient)
Percent Saturation Range (Polarographic DO) 0.0 to 600.0 % saturation
Accuracy (RDO) ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L
568

Thermo Scientific™ Orion™ Pro Star PI214 pH/Ion Bench Meter PROMO

Designed to provide accurate and reliable pH, ORP, ion concentration and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PI214 bench meter is well suited for laboratories that desire a modern meter with advance performance.

569

Thermo Scientific™ Orion™ Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meter

Accurately monitor pH, ion concentration, mV, ORP and temperature on two channels with our pH/ISE benchtop meter for advanced lab analysis.

Temperature (Metric) Range -5.0°C to +105.0°C
Memory Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Resolution (pH) 0.1, 0.01, 0.001
Languages English,Spanish,French,Italian,German
Measurement Modes pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Range (pH) -2.000 to 19.999
Resolution (ISE) 0.0001 minimum, 1 to 3 significant digits (user selectable)
Channels 2
Accuracy (pH) ±0.002
Power Supply Universal AC adapter (included)
Range (ISE) 0.0001 to 19,900 in ppm, M, mg/L, % or unit-less
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Graphic LCD with Backlight
Resolution (mV) 0.1 mV
Data Points 1000 with Date and Time Stamp
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs Two BNC (pH, ORP or ion selective electrode), two pin-tip (reference electrode), two 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 kg
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE) ±0.2 mV or ±0.05% of reading whichever is greater
Electrical Requirements 90 to 260 VAC 50/60 Hz
Warranty 3 Year Meter Warranty
Stability Smart Stability and Smart Averaging
Calibration Points (ISE) 2 to 6
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.000 pH (adjustable), 1.000 ISE (adjustable)
AC Adapter Universal 50 to 60 Hz, 100 to 240 VAC power adapter (Cat. No. 1010003)
Log Function Type Automatic data logging with Auto-Read, On Ready, At Timed Intervals, Value Change In Measurement and
Calibration pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Relative Humidity Range 5 to 85 %, non-condensing
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output High/low limit alarm
Dimensions (L x W x H) 24 x 17 x 9 cm (9.5 x 6.7 x 3.5 in.)
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Model Orion Dual Star pH/ISE/mV/RmV/ORP/Temperature Dual Channel Benchtop Meter
Outputs USB, RS232
Range (Relative mV) ±1999.9 mV
Calibration Points (pH) 1 to 6
Backlight Option Yes, adjustable
Weight (English) 2 lb.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature (Metric) Operating 5°C to 45°C (ambient)
Range (mV) ±1999.9 mV
Range (ORP) ±1999.9 mV
Methods 10 per channel with password protection
570

Thermo Scientific™ Orion™ Pro Star DO213 Dissolved Oxygen Bench Meter, BOD Kit PROMO

Designed to provide accurate and reliable dissolved oxygen, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star DO213 bench meter is well suited for laboratories that desire a modern meter with advance performance.